Question 255General Subjects - QMED
70% to passPermanent centrifugal pump shaft damage due to erosion, corrosion, and wear at the stuffing box is usually prevented by _______________.
Awearing rings
Binternally flooded lantern rings
Crenewable sleeves
Da hardened sprayed metal coating
AI Explanation
The correct answer is C) renewable sleeves. Renewable sleeves are the most effective way to prevent permanent centrifugal pump shaft damage due to erosion, corrosion, and wear at the stuffing box. These sleeves are designed to be easily replaced when worn, protecting the underlying pump shaft from the harsh environment. In contrast, the other options like wearing rings, internally flooded lantern rings, or hardened coatings may not provide the same level of protection or ease of replacement.
Related Questions
Q348:After cutting a piece of tubing to be flared, you should _______________. Q16:Energy imparted to the hydraulic fluid in an operating hydraulic system is store... Q163:If you are cutting off a piece of stock in a lathe and the work piece tends to c... Q164:To check the thickness of a piece of thin shim stock before using it to make a b... Q262:To prevent overheating and scoring of the shaft after repacking the stuffing box...
Ready to test your knowledge?
Take a General Subjects - QMED Practice ExamOfficial Resources